(5 1/8-2 1/4)+(3 7/16-9/8
Решение по действиям: 1) 5 1/8 - 2 1/4 = 5 1/8 - 2 2/8 = 2 + (9/8 - 2/8) = 2 7/8 2) 3 7/16 - 1 1/8 = 3 7/16 - 1 2/16 = 2 5/16 3) 2 7/8 + 2 5/16 = 2 14/16 + 2 5/16 = 4 19/16 = 5 3/16